The model 735 Sound Level Meter belongs to the B+K Precision's Sound Level Meters line of products and is capable of measuring sound from 30 to 130 dB with an accuracy of ±1.5 dB and low, medium and high measurement range. It can perform frequency weighting A & C and fast and slow time weighting and is designed to comply with IEC 651 Type II.
Features:Calibrates and verifies Sound Level Meter operation Battery test position with battery status LED indicates if battery is good For use on Sound Level Meters with 0.5" or 1.0" microphones Durable die-cast, aluminum housing 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.8dB
The HT157 is a sound level meter that is compact in size. It is made to detect and record different noise levels, Leq and Peak values measurements, acoustic pollution, and many more.The sound level meter allow users to perform detailed noise spectral analysis with internal octave and 1/3 octave digital filters.